# Arxiv

>[arXiv](https://arxiv.org/) is an open-access archive for 2 million scholarly articles in the fields of physics, 
> mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and 
> systems science, and economics.


## Installation and Setup

First, you need to install `arxiv` python package.

```bash
pip install arxiv
```

Second, you need to install `PyMuPDF` python package which transforms PDF files downloaded from the `arxiv.org` site into the text format.

```bash
pip install pymupdf
```

## Document Loader

See a [usage example](/docs/modules/data_connection/document_loaders/integrations/arxiv.html).

```python
from langchain.document_loaders import ArxivLoader
```

## Retriever

See a [usage example](/docs/modules/data_connection/retrievers/integrations/arxiv.html).

```python
from langchain.retrievers import ArxivRetriever
```
